50.生死攸关的;极重要的vital

49.挑选;选拔select

48.无辜的;无罪的innocent

47.成群结队而行troop

46.顽固的;倔强的stubborn

45.取消;废除cancel

44.冒犯;触怒offend

43.假定;设想 v. assume

42.其间;同时meanwhile

41.拒绝;使下降decline